47250731 has 16 divisors (see below), whose sum is σ = 52531200. Its totient is φ = 42144480.

The previous prime is 47250691. The next prime is 47250733. The reversal of 47250731 is 13705274.

It is a cyclic number.

It is not a de Polignac number, because 47250731 - 2¹⁸ = 46988587 is a prime.

It is a super-2 number, since 2×47250731² = 4465263160068722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47250694 and 47250703.

It is not an unprimeable number, because it can be changed into a prime (47250733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208040 + ... + 208266.

It is an arithmetic number, because the mean of its divisors is an integer number (3283200).

Almost surely, 2^47250731 is an apocalyptic number.

47250731 is a deficient number, since it is larger than the sum of its proper divisors (5280469).

47250731 is a wasteful number, since it uses less digits than its factorization.

47250731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 47250731 is about 6873.9167146540. The cubic root of 47250731 is about 361.5232039701.

The spelling of 47250731 in words is "forty-seven million, two hundred fifty thousand, seven hundred thirty-one".