49421737 has 8 divisors (see below), whose sum is σ = 52407432. Its totient is φ = 46444800.

The previous prime is 49421711. The next prime is 49421747. The reversal of 49421737 is 73712494.

It can be written as a sum of positive squares in 4 ways, for example, as 6859161 + 42562576 = 2619^2 + 6524^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49421737 is a prime.

It is a super-3 number, since 3×49421737³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49421696 and 49421705.

It is not an unprimeable number, because it can be changed into a prime (49421707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12187 + ... + 15727.

It is an arithmetic number, because the mean of its divisors is an integer number (6550929).

Almost surely, 2^49421737 is an apocalyptic number.

It is an amenable number.

49421737 is a deficient number, since it is larger than the sum of its proper divisors (2985695).

49421737 is a wasteful number, since it uses less digits than its factorization.

49421737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4379.

The product of its digits is 42336, while the sum is 37.

The square root of 49421737 is about 7030.0595303312. The cubic root of 49421737 is about 366.9774132466.

The spelling of 49421737 in words is "forty-nine million, four hundred twenty-one thousand, seven hundred thirty-seven".