75349512 has 48 divisors (see below), whose sum is σ = 233226240. Its totient is φ = 21528288.

The previous prime is 75349487. The next prime is 75349523. The reversal of 75349512 is 21594357.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74248 + ... + 75255.

It is an arithmetic number, because the mean of its divisors is an integer number (4858880).

Almost surely, 2^75349512 is an apocalyptic number.

75349512 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

75349512 is an abundant number, since it is smaller than the sum of its proper divisors (157876728).

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

75349512 is a wasteful number, since it uses less digits than its factorization.

75349512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149522 (or 149515 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 75349512 is about 8680.4096677519. The cubic root of 75349512 is about 422.3704061997.

The spelling of 75349512 in words is "seventy-five million, three hundred forty-nine thousand, five hundred twelve".