75634730 has 32 divisors (see below), whose sum is σ = 141212160. Its totient is φ = 29136960.

The previous prime is 75634729. The next prime is 75634733. The reversal of 75634730 is 3743657.

It is a happy number.

It is a super-2 number, since 2×75634730² = 11441224764345800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (75634733) 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, 82937 + ... + 83843.

It is an arithmetic number, because the mean of its divisors is an integer number (4412880).

Almost surely, 2^75634730 is an apocalyptic number.

75634730 is a deficient number, since it is larger than the sum of its proper divisors (65577430).

75634730 is a wasteful number, since it uses less digits than its factorization.

75634730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214.

The product of its (nonzero) digits is 52920, while the sum is 35.

The square root of 75634730 is about 8696.8229831359. The cubic root of 75634730 is about 422.9026633989.

The spelling of 75634730 in words is "seventy-five million, six hundred thirty-four thousand, seven hundred thirty".