75427450 has 24 divisors (see below), whose sum is σ = 160337952. Its totient is φ = 25860720.

The previous prime is 75427439. The next prime is 75427477. The reversal of 75427450 is 5472457.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107404 + ... + 108103.

It is an arithmetic number, because the mean of its divisors is an integer number (6680748).

Almost surely, 2^75427450 is an apocalyptic number.

75427450 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

75427450 is an abundant number, since it is smaller than the sum of its proper divisors (84910502).

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

75427450 is a wasteful number, since it uses less digits than its factorization.

75427450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215526 (or 215521 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 75427450 is about 8684.8978117189. The cubic root of 75427450 is about 422.5159827293.

The spelling of 75427450 in words is "seventy-five million, four hundred twenty-seven thousand, four hundred fifty".