75900491 has 8 divisors (see below), whose sum is σ = 78278400. Its totient is φ = 73559080.

The previous prime is 75900479. The next prime is 75900499. The reversal of 75900491 is 19400957.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75900491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75900499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4871 + ... + 13248.

It is an arithmetic number, because the mean of its divisors is an integer number (9784800).

Almost surely, 2^75900491 is an apocalyptic number.

75900491 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

75900491 is a deficient number, since it is larger than the sum of its proper divisors (2377909).

75900491 is a wasteful number, since it uses less digits than its factorization.

75900491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18249.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 75900491 is about 8712.0887851307. The cubic root of 75900491 is about 423.3974081339.

The spelling of 75900491 in words is "seventy-five million, nine hundred thousand, four hundred ninety-one".