75470109 has 64 divisors (see below), whose sum is σ = 127733760. Its totient is φ = 38949120.

The previous prime is 75470099. The next prime is 75470167. The reversal of 75470109 is 90107457.

It is not a de Polignac number, because 75470109 - 2⁵ = 75470077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 75470109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75470509) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 382999 + ... + 383195.

It is an arithmetic number, because the mean of its divisors is an integer number (1995840).

Almost surely, 2^75470109 is an apocalyptic number.

It is an amenable number.

75470109 is a deficient number, since it is larger than the sum of its proper divisors (52263651).

75470109 is a wasteful number, since it uses less digits than its factorization.

75470109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 75470109 is about 8687.3533944464. The cubic root of 75470109 is about 422.5956209001.

The spelling of 75470109 in words is "seventy-five million, four hundred seventy thousand, one hundred nine".