49372478 has 4 divisors (see below), whose sum is σ = 74058720. Its totient is φ = 24686238.

The previous prime is 49372451. The next prime is 49372481. The reversal of 49372478 is 87427394.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12343118 + ... + 12343121.

It is an arithmetic number, because the mean of its divisors is an integer number (18514680).

Almost surely, 2^49372478 is an apocalyptic number.

49372478 is a deficient number, since it is larger than the sum of its proper divisors (24686242).

49372478 is a wasteful number, since it uses less digits than its factorization.

49372478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24686241.

The product of its digits is 338688, while the sum is 44.

The square root of 49372478 is about 7026.5552015194. Note that the first 3 decimals coincide. The cubic root of 49372478 is about 366.8554497097.

The spelling of 49372478 in words is "forty-nine million, three hundred seventy-two thousand, four hundred seventy-eight".