74628130 has 16 divisors (see below), whose sum is σ = 142232760. Its totient is φ = 28095232.

The previous prime is 74628101. The next prime is 74628133. The reversal of 74628130 is 3182647.

It can be written as a sum of positive squares in 4 ways, for example, as 43256929 + 31371201 = 6577^2 + 5601^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74628092 and 74628101.

It is not an unprimeable number, because it can be changed into a prime (74628133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219325 + ... + 219664.

Almost surely, 2^74628130 is an apocalyptic number.

74628130 is a deficient number, since it is larger than the sum of its proper divisors (67604630).

74628130 is a wasteful number, since it uses less digits than its factorization.

74628130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439013.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 74628130 is about 8638.7574337980. The cubic root of 74628130 is about 421.0181834948.

The spelling of 74628130 in words is "seventy-four million, six hundred twenty-eight thousand, one hundred thirty".