47740992 has 112 divisors (see below), whose sum is σ = 140646912. Its totient is φ = 14192640.

The previous prime is 47740991. The next prime is 47740993. The reversal of 47740992 is 29904774.

It is an interprime number because it is at equal distance from previous prime (47740991) and next prime (47740993).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47740991) 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, 77068 + ... + 77684.

It is an arithmetic number, because the mean of its divisors is an integer number (1255776).

Almost surely, 2^47740992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47740992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70323456).

47740992 is an abundant number, since it is smaller than the sum of its proper divisors (92905920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47740992 is a wasteful number, since it uses less digits than its factorization.

47740992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 47740992 is about 6909.4856537951. The cubic root of 47740992 is about 362.7692604308.

The spelling of 47740992 in words is "forty-seven million, seven hundred forty thousand, nine hundred ninety-two".