75421298 has 16 divisors (see below), whose sum is σ = 119322720. Its totient is φ = 35654976.

The previous prime is 75421289. The next prime is 75421303. The reversal of 75421298 is 89212457.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20861 + ... + 24207.

It is an arithmetic number, because the mean of its divisors is an integer number (7457670).

Almost surely, 2^75421298 is an apocalyptic number.

75421298 is a deficient number, since it is larger than the sum of its proper divisors (43901422).

75421298 is a wasteful number, since it uses less digits than its factorization.

75421298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3961.

The product of its digits is 40320, while the sum is 38.

The square root of 75421298 is about 8684.5436264665. The cubic root of 75421298 is about 422.5044953597.

The spelling of 75421298 in words is "seventy-five million, four hundred twenty-one thousand, two hundred ninety-eight".