49597740 has 36 divisors (see below), whose sum is σ = 150447024. Its totient is φ = 13226016.

The previous prime is 49597727. The next prime is 49597763. The reversal of 49597740 is 4779594.

49597740 is a `hidden beast` number, since 495 + 97 + 74 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137592 + ... + 137951.

It is an arithmetic number, because the mean of its divisors is an integer number (4179084).

Almost surely, 2^49597740 is an apocalyptic number.

It is an amenable number.

49597740 is an abundant number, since it is smaller than the sum of its proper divisors (100849284).

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

49597740 is a wasteful number, since it uses less digits than its factorization.

49597740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275558 (or 275553 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 49597740 is about 7042.5662936177. The cubic root of 49597740 is about 367.4125295086.

The spelling of 49597740 in words is "forty-nine million, five hundred ninety-seven thousand, seven hundred forty".