74220680 has 16 divisors (see below), whose sum is σ = 166996620. Its totient is φ = 29688256.

The previous prime is 74220677. The next prime is 74220697. The reversal of 74220680 is 8602247.

It can be written as a sum of positive squares in 2 ways, for example, as 70930084 + 3290596 = 8422^2 + 1814^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 927719 + ... + 927798.

Almost surely, 2^74220680 is an apocalyptic number.

It is an amenable number.

74220680 is an abundant number, since it is smaller than the sum of its proper divisors (92775940).

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

74220680 is a wasteful number, since it uses less digits than its factorization.

74220680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855528 (or 1855524 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 74220680 is about 8615.1424828612. The cubic root of 74220680 is about 420.2505685481.

The spelling of 74220680 in words is "seventy-four million, two hundred twenty thousand, six hundred eighty".