75146620 has 12 divisors (see below), whose sum is σ = 157807944. Its totient is φ = 30058640.

The previous prime is 75146611. The next prime is 75146629. The reversal of 75146620 is 2664157.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (75146611) and next prime (75146629).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75146629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1878646 + ... + 1878685.

It is an arithmetic number, because the mean of its divisors is an integer number (13150662).

Almost surely, 2^75146620 is an apocalyptic number.

It is an amenable number.

75146620 is an abundant number, since it is smaller than the sum of its proper divisors (82661324).

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

75146620 is a wasteful number, since it uses less digits than its factorization.

75146620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3757340 (or 3757338 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 75146620 is about 8668.7150143490. The cubic root of 75146620 is about 421.9909628726.

The spelling of 75146620 in words is "seventy-five million, one hundred forty-six thousand, six hundred twenty".