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74757045 = 3511453073
BaseRepresentation
bin1000111010010…
…11001110110101
312012200001101110
410131023032311
5123114211140
611230145233
71565265366
oct435131665
9165601343
1074757045
1139220090
1221052219
1312645b4c
149cddb6d
15686a380
hex474b3b5

74757045 has 16 divisors (see below), whose sum is σ = 130485312. Its totient is φ = 36245760.

The previous prime is 74757043. The next prime is 74757073. The reversal of 74757045 is 54075747.

It is not a de Polignac number, because 74757045 - 21 = 74757043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74756994 and 74757012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74757043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226372 + ... + 226701.

It is an arithmetic number, because the mean of its divisors is an integer number (8155332).

Almost surely, 274757045 is an apocalyptic number.

It is an amenable number.

74757045 is a deficient number, since it is larger than the sum of its proper divisors (55728267).

74757045 is a wasteful number, since it uses less digits than its factorization.

74757045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453092.

The product of its (nonzero) digits is 137200, while the sum is 39.

The square root of 74757045 is about 8646.2156461657. The cubic root of 74757045 is about 421.2604707603.

The spelling of 74757045 in words is "seventy-four million, seven hundred fifty-seven thousand, forty-five".

Divisors: 1 3 5 11 15 33 55 165 453073 1359219 2265365 4983803 6796095 14951409 24919015 74757045