75478051 has 16 divisors (see below), whose sum is σ = 88156800. Its totient is φ = 63892800.

The previous prime is 75478049. The next prime is 75478057. The reversal of 75478051 is 15087457.

It is a cyclic number.

It is not a de Polignac number, because 75478051 - 2¹ = 75478049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75478051.

It is not an unprimeable number, because it can be changed into a prime (75478057) 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, 9271 + ... + 15391.

It is an arithmetic number, because the mean of its divisors is an integer number (5509800).

Almost surely, 2^75478051 is an apocalyptic number.

75478051 is a deficient number, since it is larger than the sum of its proper divisors (12678749).

75478051 is a wasteful number, since it uses less digits than its factorization.

75478051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6210.

The product of its (nonzero) digits is 39200, while the sum is 37.

The square root of 75478051 is about 8687.8104836604. The cubic root of 75478051 is about 422.6104441493.

The spelling of 75478051 in words is "seventy-five million, four hundred seventy-eight thousand, fifty-one".