49731474 has 64 divisors (see below), whose sum is σ = 117734400. Its totient is φ = 13856832.

The previous prime is 49731457. The next prime is 49731551. The reversal of 49731474 is 47413794.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33357 + ... + 34815.

It is an arithmetic number, because the mean of its divisors is an integer number (1839600).

Almost surely, 2^49731474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49731474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58867200).

49731474 is an abundant number, since it is smaller than the sum of its proper divisors (68002926).

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

49731474 is a wasteful number, since it uses less digits than its factorization.

49731474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519.

The product of its digits is 84672, while the sum is 39.

The square root of 49731474 is about 7052.0545942300. The cubic root of 49731474 is about 367.7424602049.

It can be divided in two parts, 49731 and 474, that added together give a palindrome (50205).

The spelling of 49731474 in words is "forty-nine million, seven hundred thirty-one thousand, four hundred seventy-four".