73740404 has 6 divisors (see below), whose sum is σ = 129045714. Its totient is φ = 36870200.

The previous prime is 73740389. The next prime is 73740419. The reversal of 73740404 is 40404737.

It is an interprime number because it is at equal distance from previous prime (73740389) and next prime (73740419).

It can be written as a sum of positive squares in only one way, i.e., 48720400 + 25020004 = 6980^2 + 5002^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9217547 + ... + 9217554.

It is an arithmetic number, because the mean of its divisors is an integer number (21507619).

Almost surely, 2^73740404 is an apocalyptic number.

It is an amenable number.

73740404 is a deficient number, since it is larger than the sum of its proper divisors (55305310).

73740404 is a wasteful number, since it uses less digits than its factorization.

73740404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18435105 (or 18435103 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 73740404 is about 8587.2232997634. The cubic root of 73740404 is about 419.3421371456.

The spelling of 73740404 in words is "seventy-three million, seven hundred forty thousand, four hundred four".