49215970 has 8 divisors (see below), whose sum is σ = 88588764. Its totient is φ = 19686384.

The previous prime is 49215923. The next prime is 49215977. The reversal of 49215970 is 7951294.

It can be written as a sum of positive squares in 2 ways, for example, as 48288601 + 927369 = 6949^2 + 963^2 .

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 (49215977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2460789 + ... + 2460808.

Almost surely, 2^49215970 is an apocalyptic number.

49215970 is a deficient number, since it is larger than the sum of its proper divisors (39372794).

49215970 is a wasteful number, since it uses less digits than its factorization.

49215970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4921604.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 49215970 is about 7015.4094677360. The cubic root of 49215970 is about 366.4674022899.

The spelling of 49215970 in words is "forty-nine million, two hundred fifteen thousand, nine hundred seventy".