47157406 has 8 divisors (see below), whose sum is σ = 73811664. Its totient is φ = 22553520.

The previous prime is 47157401. The next prime is 47157413. The reversal of 47157406 is 60475174.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47157401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512535 + ... + 512626.

It is an arithmetic number, because the mean of its divisors is an integer number (9226458).

Almost surely, 2^47157406 is an apocalyptic number.

47157406 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

47157406 is a deficient number, since it is larger than the sum of its proper divisors (26654258).

47157406 is a wasteful number, since it uses less digits than its factorization.

47157406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025186.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 47157406 is about 6867.1250170650. The cubic root of 47157406 is about 361.2850320628.

It can be divided in two parts, 4715 and 7406, that added together give a palindrome (12121).

The spelling of 47157406 in words is "forty-seven million, one hundred fifty-seven thousand, four hundred six".