74067406740 has 72 divisors (see below), whose sum is σ = 224707210728. Its totient is φ = 19748136960.

The previous prime is 74067406739. The next prime is 74067406757. The reversal of 74067406740 is 4760476047.

It can be written as a sum of positive squares in 4 ways, for example, as 40492707984 + 33574698756 = 201228^2 + 183234^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1223424 + ... + 1282536.

Almost surely, 2^74067406740 is an apocalyptic number.

It is an amenable number.

74067406740 is an abundant number, since it is smaller than the sum of its proper divisors (150639803988).

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

74067406740 is a wasteful number, since it uses less digits than its factorization.

74067406740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66089 (or 66084 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 45.

The spelling of 74067406740 in words is "seventy-four billion, sixty-seven million, four hundred six thousand, seven hundred forty".