75020135 has 24 divisors (see below), whose sum is σ = 95319504. Its totient is φ = 56672000.

The previous prime is 75020123. The next prime is 75020137. The reversal of 75020135 is 53102057.

It is not a de Polignac number, because 75020135 - 2²² = 70825831 is a prime.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (23).

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 75020135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75020137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 298760 + ... + 299010.

It is an arithmetic number, because the mean of its divisors is an integer number (3971646).

Almost surely, 2^75020135 is an apocalyptic number.

75020135 is a deficient number, since it is larger than the sum of its proper divisors (20299369).

75020135 is a wasteful number, since it uses less digits than its factorization.

75020135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 75020135 is about 8661.4164545991. The cubic root of 75020135 is about 421.7540682002.

The spelling of 75020135 in words is "seventy-five million, twenty thousand, one hundred thirty-five".