75054491 has 8 divisors (see below), whose sum is σ = 76088784. Its totient is φ = 74027520.

The previous prime is 75054467. The next prime is 75054509. The reversal of 75054491 is 19445057.

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

It is a cyclic number.

It is not a de Polignac number, because 75054491 - 2²² = 70860187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75054191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20651 + ... + 24011.

It is an arithmetic number, because the mean of its divisors is an integer number (9511098).

Almost surely, 2^75054491 is an apocalyptic number.

75054491 is a deficient number, since it is larger than the sum of its proper divisors (1034293).

75054491 is a wasteful number, since it uses less digits than its factorization.

75054491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3661.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 75054491 is about 8663.3995059676. The cubic root of 75054491 is about 421.8184401248.

The spelling of 75054491 in words is "seventy-five million, fifty-four thousand, four hundred ninety-one".