75398379 has 32 divisors (see below), whose sum is σ = 118563840. Its totient is φ = 41731200.

The previous prime is 75398363. The next prime is 75398381. The reversal of 75398379 is 97389357.

It is a happy number.

It is not a de Polignac number, because 75398379 - 2⁴ = 75398363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75398339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90537 + ... + 91365.

It is an arithmetic number, because the mean of its divisors is an integer number (3705120).

Almost surely, 2^75398379 is an apocalyptic number.

75398379 is a deficient number, since it is larger than the sum of its proper divisors (43165461).

75398379 is a wasteful number, since it uses less digits than its factorization.

75398379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971.

The product of its digits is 1428840, while the sum is 51.

The square root of 75398379 is about 8683.2239980321. The cubic root of 75398379 is about 422.4616941801.

The spelling of 75398379 in words is "seventy-five million, three hundred ninety-eight thousand, three hundred seventy-nine".