49132978 has 8 divisors (see below), whose sum is σ = 73923120. Its totient is φ = 24491940.

The previous prime is 49132973. The next prime is 49132987. The reversal of 49132978 is 87923194.

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 (49132973) 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, 36448 + ... + 37771.

It is an arithmetic number, because the mean of its divisors is an integer number (9240390).

Almost surely, 2^49132978 is an apocalyptic number.

49132978 is a deficient number, since it is larger than the sum of its proper divisors (24790142).

49132978 is a wasteful number, since it uses less digits than its factorization.

49132978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74552.

The product of its digits is 108864, while the sum is 43.

The square root of 49132978 is about 7009.4919930049. The cubic root of 49132978 is about 366.2612972788.

The spelling of 49132978 in words is "forty-nine million, one hundred thirty-two thousand, nine hundred seventy-eight".