49307290 has 8 divisors (see below), whose sum is σ = 88753140. Its totient is φ = 19722912.

The previous prime is 49307287. The next prime is 49307309. The reversal of 49307290 is 9270394.

It can be written as a sum of positive squares in 2 ways, for example, as 48958009 + 349281 = 6997^2 + 591^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2465355 + ... + 2465374.

Almost surely, 2^49307290 is an apocalyptic number.

49307290 is a deficient number, since it is larger than the sum of its proper divisors (39445850).

49307290 is a wasteful number, since it uses less digits than its factorization.

49307290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4930736.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 49307290 is about 7021.9149809721. The cubic root of 49307290 is about 366.6939217573.

The spelling of 49307290 in words is "forty-nine million, three hundred seven thousand, two hundred ninety".