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73425905 = 572097883
BaseRepresentation
bin1000110000001…
…10001111110001
312010011102101222
410120012033301
5122244112110
611141434425
71551052460
oct430061761
9163142358
1073425905
11384a0a73
122070ba15
131229aca7
149a749d7
1566a5c55
hex46063f1

73425905 has 8 divisors (see below), whose sum is σ = 100698432. Its totient is φ = 50349168.

The previous prime is 73425901. The next prime is 73425923. The reversal of 73425905 is 50952437.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73425905 - 22 = 73425901 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 2097883 = 73425905 / (7 + 3 + 4 + 2 + 5 + 9 + 0 + 5).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73425901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1048907 + ... + 1048976.

It is an arithmetic number, because the mean of its divisors is an integer number (12587304).

Almost surely, 273425905 is an apocalyptic number.

It is an amenable number.

73425905 is a deficient number, since it is larger than the sum of its proper divisors (27272527).

73425905 is a wasteful number, since it uses less digits than its factorization.

73425905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097895.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 73425905 is about 8568.8917019647. The cubic root of 73425905 is about 418.7451301134.

The spelling of 73425905 in words is "seventy-three million, four hundred twenty-five thousand, nine hundred five".

Divisors: 1 5 7 35 2097883 10489415 14685181 73425905