75506706 has 24 divisors (see below), whose sum is σ = 178470864. Its totient is φ = 22880760.

The previous prime is 75506701. The next prime is 75506719. The reversal of 75506706 is 60760557.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (75506701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190476 + ... + 190871.

It is an arithmetic number, because the mean of its divisors is an integer number (7436286).

Almost surely, 2^75506706 is an apocalyptic number.

75506706 is an abundant number, since it is smaller than the sum of its proper divisors (102964158).

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

75506706 is a wasteful number, since it uses less digits than its factorization.

75506706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381366 (or 381363 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The square root of 75506706 is about 8689.4594768605. The cubic root of 75506706 is about 422.6639182827.

The spelling of 75506706 in words is "seventy-five million, five hundred six thousand, seven hundred six".