75020746 has 4 divisors (see below), whose sum is σ = 112531122. Its totient is φ = 37510372.

The previous prime is 75020731. The next prime is 75020747. The reversal of 75020746 is 64702057.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 73359225 + 1661521 = 8565^2 + 1289^2 .

It is a super-2 number, since 2×75020746² = 11256224660793032, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (75020747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18755185 + ... + 18755188.

Almost surely, 2^75020746 is an apocalyptic number.

75020746 is a deficient number, since it is larger than the sum of its proper divisors (37510376).

75020746 is a wasteful number, since it uses less digits than its factorization.

75020746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37510375.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 75020746 is about 8661.4517258945. The cubic root of 75020746 is about 421.7552131863.

The spelling of 75020746 in words is "seventy-five million, twenty thousand, seven hundred forty-six".