49664742 has 16 divisors (see below), whose sum is σ = 101640000. Its totient is φ = 16169832.

The previous prime is 49664737. The next prime is 49664749. The reversal of 49664742 is 24746694.

It is a junction number, because it is equal to n+sod(n) for n = 49664694 and 49664703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49664749) 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, 95992 + ... + 96507.

It is an arithmetic number, because the mean of its divisors is an integer number (6352500).

Almost surely, 2^49664742 is an apocalyptic number.

49664742 is an abundant number, since it is smaller than the sum of its proper divisors (51975258).

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

49664742 is a wasteful number, since it uses less digits than its factorization.

49664742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192547.

The product of its digits is 290304, while the sum is 42.

The square root of 49664742 is about 7047.3216188847. The cubic root of 49664742 is about 367.5779019452.

The spelling of 49664742 in words is "forty-nine million, six hundred sixty-four thousand, seven hundred forty-two".