74087090 has 48 divisors (see below), whose sum is σ = 167541696. Its totient is φ = 23089440.

The previous prime is 74087089. The next prime is 74087113. The reversal of 74087090 is 9078047.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 74087090.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4097 + ... + 12843.

It is an arithmetic number, because the mean of its divisors is an integer number (3490452).

Almost surely, 2^74087090 is an apocalyptic number.

74087090 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

74087090 is an abundant number, since it is smaller than the sum of its proper divisors (93454606).

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

74087090 is a wasteful number, since it uses less digits than its factorization.

74087090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8783 (or 8772 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 74087090 is about 8607.3857819898. The cubic root of 74087090 is about 419.9982804162.

The spelling of 74087090 in words is "seventy-four million, eighty-seven thousand, ninety".