75970730 has 64 divisors (see below), whose sum is σ = 154804608. Its totient is φ = 26607360.

The previous prime is 75970729. The next prime is 75970733. The reversal of 75970730 is 3707957.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (75970733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 483812 + ... + 483968.

It is an arithmetic number, because the mean of its divisors is an integer number (2418822).

Almost surely, 2^75970730 is an apocalyptic number.

75970730 is an abundant number, since it is smaller than the sum of its proper divisors (78833878).

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

75970730 is a wasteful number, since it uses less digits than its factorization.

75970730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311.

The product of its (nonzero) digits is 46305, while the sum is 38.

The square root of 75970730 is about 8716.1189757827. The cubic root of 75970730 is about 423.5279731289.

The spelling of 75970730 in words is "seventy-five million, nine hundred seventy thousand, seven hundred thirty".