75452494 has 16 divisors (see below), whose sum is σ = 129055248. Its totient is φ = 32775552.

The previous prime is 75452491. The next prime is 75452497. The reversal of 75452494 is 49425457.

It is an interprime number because it is at equal distance from previous prime (75452491) and next prime (75452497).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75452491) 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, 84912 + ... + 85795.

It is an arithmetic number, because the mean of its divisors is an integer number (8065953).

Almost surely, 2^75452494 is an apocalyptic number.

75452494 is a deficient number, since it is larger than the sum of its proper divisors (53602754).

75452494 is a wasteful number, since it uses less digits than its factorization.

75452494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170739.

The product of its digits is 201600, while the sum is 40.

The square root of 75452494 is about 8686.3395052231. The cubic root of 75452494 is about 422.5627398863.

The spelling of 75452494 in words is "seventy-five million, four hundred fifty-two thousand, four hundred ninety-four".