75613890 has 32 divisors (see below), whose sum is σ = 197971776. Its totient is φ = 18330560.

The previous prime is 75613883. The next prime is 75613891. The reversal of 75613890 is 9831657.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (75613891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114237 + ... + 114896.

It is an arithmetic number, because the mean of its divisors is an integer number (6186618).

Almost surely, 2^75613890 is an apocalyptic number.

75613890 is an abundant number, since it is smaller than the sum of its proper divisors (122357886).

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

75613890 is a wasteful number, since it uses less digits than its factorization.

75613890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229154.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 75613890 is about 8695.6247619133. The cubic root of 75613890 is about 422.8638183644.

The spelling of 75613890 in words is "seventy-five million, six hundred thirteen thousand, eight hundred ninety".