49686073 has 4 divisors (see below), whose sum is σ = 50065488. Its totient is φ = 49306660.

The previous prime is 49686037. The next prime is 49686089. The reversal of 49686073 is 37068694.

It is a happy number.

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 49686073 - 2¹⁷ = 49555001 is a prime.

It is a super-2 number, since 2×49686073² = 4937411700322658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49686173) 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, 189511 + ... + 189772.

It is an arithmetic number, because the mean of its divisors is an integer number (12516372).

Almost surely, 2^49686073 is an apocalyptic number.

It is an amenable number.

49686073 is a deficient number, since it is larger than the sum of its proper divisors (379415).

49686073 is a wasteful number, since it uses less digits than its factorization.

49686073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379414.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 49686073 is about 7048.8348682601. The cubic root of 49686073 is about 367.6305192994.

The spelling of 49686073 in words is "forty-nine million, six hundred eighty-six thousand, seventy-three".