49138762 has 4 divisors (see below), whose sum is σ = 73708146. Its totient is φ = 24569380.

The previous prime is 49138759. The next prime is 49138763. The reversal of 49138762 is 26783194.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 38452401 + 10686361 = 6201^2 + 3269^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (49138763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12284689 + ... + 12284692.

Almost surely, 2^49138762 is an apocalyptic number.

49138762 is a deficient number, since it is larger than the sum of its proper divisors (24569384).

49138762 is a wasteful number, since it uses less digits than its factorization.

49138762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24569383.

The product of its digits is 72576, while the sum is 40.

The square root of 49138762 is about 7009.9045642576. The cubic root of 49138762 is about 366.2756689717.

The spelling of 49138762 in words is "forty-nine million, one hundred thirty-eight thousand, seven hundred sixty-two".