74678150452 has 6 divisors (see below), whose sum is σ = 130686763298. Its totient is φ = 37339075224.

The previous prime is 74678150419. The next prime is 74678150479. The reversal of 74678150452 is 25405187647.

It can be written as a sum of positive squares in only one way, i.e., 51390169636 + 23287980816 = 226694^2 + 152604^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74678150396 and 74678150405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9334768803 + ... + 9334768810.

Almost surely, 2^74678150452 is an apocalyptic number.

It is an amenable number.

74678150452 is a deficient number, since it is larger than the sum of its proper divisors (56008612846).

74678150452 is a wasteful number, since it uses less digits than its factorization.

74678150452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18669537617 (or 18669537615 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 49.

The spelling of 74678150452 in words is "seventy-four billion, six hundred seventy-eight million, one hundred fifty thousand, four hundred fifty-two".