75220734 has 16 divisors (see below), whose sum is σ = 158359680. Its totient is φ = 23753880.

The previous prime is 75220721. The next prime is 75220777. The reversal of 75220734 is 43702257.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329802 + ... + 330029.

It is an arithmetic number, because the mean of its divisors is an integer number (9897480).

Almost surely, 2^75220734 is an apocalyptic number.

75220734 is an abundant number, since it is smaller than the sum of its proper divisors (83138946).

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

75220734 is a wasteful number, since it uses less digits than its factorization.

75220734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659855.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 75220734 is about 8672.9887582079. The cubic root of 75220734 is about 422.1296480277.

The spelling of 75220734 in words is "seventy-five million, two hundred twenty thousand, seven hundred thirty-four".