49202978 has 8 divisors (see below), whose sum is σ = 80514000. Its totient is φ = 22364980.

The previous prime is 49202977. The next prime is 49203001. The reversal of 49202978 is 87920294.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (49202971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1118228 + ... + 1118271.

It is an arithmetic number, because the mean of its divisors is an integer number (10064250).

Almost surely, 2^49202978 is an apocalyptic number.

49202978 is a deficient number, since it is larger than the sum of its proper divisors (31311022).

49202978 is a wasteful number, since it uses less digits than its factorization.

49202978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2236512.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 49202978 is about 7014.4834449872. The cubic root of 49202978 is about 366.4351528425.

The spelling of 49202978 in words is "forty-nine million, two hundred two thousand, nine hundred seventy-eight".