47769631 has 8 divisors (see below), whose sum is σ = 58793504. Its totient is φ = 37795680.

The previous prime is 47769619. The next prime is 47769661. The reversal of 47769631 is 13696774.

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

It is not a de Polignac number, because 47769631 - 2⁵ = 47769599 is a prime.

It is a super-2 number, since 2×47769631² = 4563875291752322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47769661) 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, 262380 + ... + 262561.

It is an arithmetic number, because the mean of its divisors is an integer number (7349188).

Almost surely, 2^47769631 is an apocalyptic number.

47769631 is a deficient number, since it is larger than the sum of its proper divisors (11023873).

47769631 is a wasteful number, since it uses less digits than its factorization.

47769631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524961.

The product of its digits is 190512, while the sum is 43.

The square root of 47769631 is about 6911.5577838864. The cubic root of 47769631 is about 362.8417856105.

It can be divided in two parts, 47769 and 631, that added together give a square (48400 = 220²).

The spelling of 47769631 in words is "forty-seven million, seven hundred sixty-nine thousand, six hundred thirty-one".