631752092 has 6 divisors (see below), whose sum is σ = 1105566168. Its totient is φ = 315876044.

The previous prime is 631752091. The next prime is 631752101. The reversal of 631752092 is 290257136.

It is a super-2 number, since 2×631752092² = 798221411492752928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631752091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78969008 + ... + 78969015.

It is an arithmetic number, because the mean of its divisors is an integer number (184261028).

Almost surely, 2^631752092 is an apocalyptic number.

It is an amenable number.

631752092 is a deficient number, since it is larger than the sum of its proper divisors (473814076).

631752092 is a wasteful number, since it uses less digits than its factorization.

631752092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157938027 (or 157938025 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 631752092 is about 25134.6790709569. The cubic root of 631752092 is about 858.0558625376.

The spelling of 631752092 in words is "six hundred thirty-one million, seven hundred fifty-two thousand, ninety-two".