49497730 has 24 divisors (see below), whose sum is σ = 91250172. Its totient is φ = 19331424.

The previous prime is 49497709. The next prime is 49497733. The reversal of 49497730 is 3779494.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 42159049 + 7338681 = 6493^2 + 2709^2 .

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (49497733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17152 + ... + 19828.

Almost surely, 2^49497730 is an apocalyptic number.

49497730 is a deficient number, since it is larger than the sum of its proper divisors (41752442).

49497730 is a wasteful number, since it uses less digits than its factorization.

49497730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2770 (or 2727 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 49497730 is about 7035.4623160102. The cubic root of 49497730 is about 367.1654103687.

The spelling of 49497730 in words is "forty-nine million, four hundred ninety-seven thousand, seven hundred thirty".