49470657 has 4 divisors (see below), whose sum is σ = 65960880. Its totient is φ = 32980436.

The previous prime is 49470643. The next prime is 49470667. The reversal of 49470657 is 75607494.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49470657 - 2⁶ = 49470593 is a prime.

It is a super-3 number, since 3×49470657³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (49470667) 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, 8245107 + ... + 8245112.

It is an arithmetic number, because the mean of its divisors is an integer number (16490220).

Almost surely, 2^49470657 is an apocalyptic number.

It is an amenable number.

49470657 is a deficient number, since it is larger than the sum of its proper divisors (16490223).

49470657 is a wasteful number, since it uses less digits than its factorization.

49470657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16490222.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 49470657 is about 7033.5380143993. The cubic root of 49470657 is about 367.0984572512.

The spelling of 49470657 in words is "forty-nine million, four hundred seventy thousand, six hundred fifty-seven".