75776490 has 48 divisors (see below), whose sum is σ = 205590528. Its totient is φ = 19327968.

The previous prime is 75776489. The next prime is 75776509. The reversal of 75776490 is 9467757.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 16234 + ... + 20373.

It is an arithmetic number, because the mean of its divisors is an integer number (4283136).

Almost surely, 2^75776490 is an apocalyptic number.

75776490 is an abundant number, since it is smaller than the sum of its proper divisors (129814038).

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

75776490 is a wasteful number, since it uses less digits than its factorization.

75776490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36643 (or 36640 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 45.

The square root of 75776490 is about 8704.9692704799. The cubic root of 75776490 is about 423.1667099372.

The spelling of 75776490 in words is "seventy-five million, seven hundred seventy-six thousand, four hundred ninety".