49402745 has 32 divisors (see below), whose sum is σ = 70156800. Its totient is φ = 32693760.

The previous prime is 49402739. The next prime is 49402753. The reversal of 49402745 is 54720494.

It is not a de Polignac number, because 49402745 - 2⁶ = 49402681 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 248156 + ... + 248354.

It is an arithmetic number, because the mean of its divisors is an integer number (2192400).

Almost surely, 2^49402745 is an apocalyptic number.

It is an amenable number.

49402745 is a deficient number, since it is larger than the sum of its proper divisors (20754055).

49402745 is a wasteful number, since it uses less digits than its factorization.

49402745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 49402745 is about 7028.7086296133. The cubic root of 49402745 is about 366.9303993318.

The spelling of 49402745 in words is "forty-nine million, four hundred two thousand, seven hundred forty-five".