74430546 has 8 divisors (see below), whose sum is σ = 148861104. Its totient is φ = 24810180.

The previous prime is 74430523. The next prime is 74430547. The reversal of 74430546 is 64503447.

It is a happy number.

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

74430546 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (74430547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6202540 + ... + 6202551.

It is an arithmetic number, because the mean of its divisors is an integer number (18607638).

Almost surely, 2^74430546 is an apocalyptic number.

74430546 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

74430546 is a wasteful number, since it uses less digits than its factorization.

74430546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12405096.

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 74430546 is about 8627.3139504715. The cubic root of 74430546 is about 420.6462952214.

The spelling of 74430546 in words is "seventy-four million, four hundred thirty thousand, five hundred forty-six".