74220830 has 8 divisors (see below), whose sum is σ = 133597512. Its totient is φ = 29688328.

The previous prime is 74220823. The next prime is 74220833. The reversal of 74220830 is 3802247.

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

It is a self number, because there is not a number n which added to its sum of digits gives 74220830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74220833) 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, 3711032 + ... + 3711051.

It is an arithmetic number, because the mean of its divisors is an integer number (16699689).

Almost surely, 2^74220830 is an apocalyptic number.

74220830 is a deficient number, since it is larger than the sum of its proper divisors (59376682).

74220830 is a wasteful number, since it uses less digits than its factorization.

74220830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7422090.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 74220830 is about 8615.1511884586. The cubic root of 74220830 is about 420.2508516568.

The spelling of 74220830 in words is "seventy-four million, two hundred twenty thousand, eight hundred thirty".