74763740 has 24 divisors (see below), whose sum is σ = 162419040. Its totient is φ = 28874048.

The previous prime is 74763737. The next prime is 74763749. The reversal of 74763740 is 4736747.

It is a junction number, because it is equal to n+sod(n) for n = 74763694 and 74763703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74763749) 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, 63872 + ... + 65031.

It is an arithmetic number, because the mean of its divisors is an integer number (6767460).

Almost surely, 2^74763740 is an apocalyptic number.

It is an amenable number.

74763740 is an abundant number, since it is smaller than the sum of its proper divisors (87655300).

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

74763740 is a wasteful number, since it uses less digits than its factorization.

74763740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128941 (or 128939 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 38.

The square root of 74763740 is about 8646.6028011006. The cubic root of 74763740 is about 421.2730459616.

The spelling of 74763740 in words is "seventy-four million, seven hundred sixty-three thousand, seven hundred forty".