47640401 has 8 divisors (see below), whose sum is σ = 49056000. Its totient is φ = 46236960.

The previous prime is 47640389. The next prime is 47640419. The reversal of 47640401 is 10404674.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47640401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47640101) 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, 5240 + ... + 11078.

It is an arithmetic number, because the mean of its divisors is an integer number (6132000).

Almost surely, 2^47640401 is an apocalyptic number.

47640401 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

47640401 is a deficient number, since it is larger than the sum of its proper divisors (1415599).

47640401 is a wasteful number, since it uses less digits than its factorization.

47640401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6079.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 47640401 is about 6902.2026194542. The cubic root of 47640401 is about 362.5142944819.

The spelling of 47640401 in words is "forty-seven million, six hundred forty thousand, four hundred one".