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73078970 = 257307897
BaseRepresentation
bin1000101101100…
…01100010111010
312002111210111112
410112301202322
5122202011340
611130200322
71545106136
oct426614272
9162453445
1073078970
1138284348
12205830a2
13121a90c3
1499c43c6
156638065
hex45b18ba

73078970 has 8 divisors (see below), whose sum is σ = 131542164. Its totient is φ = 29231584.

The previous prime is 73078963. The next prime is 73078991. The reversal of 73078970 is 7987037.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 67256401 + 5822569 = 8201^2 + 2413^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3653939 + ... + 3653958.

Almost surely, 273078970 is an apocalyptic number.

73078970 is a deficient number, since it is larger than the sum of its proper divisors (58463194).

73078970 is a wasteful number, since it uses less digits than its factorization.

73078970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7307904.

The product of its (nonzero) digits is 74088, while the sum is 41.

The square root of 73078970 is about 8548.6238658629. The cubic root of 73078970 is about 418.0845696274.

The spelling of 73078970 in words is "seventy-three million, seventy-eight thousand, nine hundred seventy".

Divisors: 1 2 5 10 7307897 14615794 36539485 73078970