75069690 has 32 divisors (see below), whose sum is σ = 186382080. Its totient is φ = 19328064.

The previous prime is 75069689. The next prime is 75069691. The reversal of 75069690 is 9696057.

It is an interprime number because it is at equal distance from previous prime (75069689) and next prime (75069691).

It is a super-2 number, since 2×75069690² = 11270916713392200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (75069691) 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, 42274 + ... + 44013.

It is an arithmetic number, because the mean of its divisors is an integer number (5824440).

Almost surely, 2^75069690 is an apocalyptic number.

75069690 is an abundant number, since it is smaller than the sum of its proper divisors (111312390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75069690 is a wasteful number, since it uses less digits than its factorization.

75069690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86326.

The product of its (nonzero) digits is 102060, while the sum is 42.

The square root of 75069690 is about 8664.2766576328. The cubic root of 75069690 is about 421.8469118199.

The spelling of 75069690 in words is "seventy-five million, sixty-nine thousand, six hundred ninety".