73406740 has 24 divisors (see below), whose sum is σ = 168168672. Its totient is φ = 26693280.

The previous prime is 73406717. The next prime is 73406759. The reversal of 73406740 is 4760437.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166614 + ... + 167053.

It is an arithmetic number, because the mean of its divisors is an integer number (7007028).

Almost surely, 2^73406740 is an apocalyptic number.

It is an amenable number.

73406740 is an abundant number, since it is smaller than the sum of its proper divisors (94761932).

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

73406740 is a wasteful number, since it uses less digits than its factorization.

73406740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333687 (or 333685 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 73406740 is about 8567.7733396723. The cubic root of 73406740 is about 418.7086945223.

The spelling of 73406740 in words is "seventy-three million, four hundred six thousand, seven hundred forty".