74180370 has 64 divisors (see below), whose sum is σ = 204456960. Its totient is φ = 17035200.

The previous prime is 74180339. The next prime is 74180387. The reversal of 74180370 is 7308147.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 355 + ... + 12185.

It is an arithmetic number, because the mean of its divisors is an integer number (3194640).

Almost surely, 2^74180370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74180370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102228480).

74180370 is an abundant number, since it is smaller than the sum of its proper divisors (130276590).

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

74180370 is a wasteful number, since it uses less digits than its factorization.

74180370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11871.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 74180370 is about 8612.8026797321. The cubic root of 74180370 is about 420.1744739962.

The spelling of 74180370 in words is "seventy-four million, one hundred eighty thousand, three hundred seventy".