47744290 has 16 divisors (see below), whose sum is σ = 93752640. Its totient is φ = 17361520.

The previous prime is 47744243. The next prime is 47744303. The reversal of 47744290 is 9244774.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216910 + ... + 217129.

It is an arithmetic number, because the mean of its divisors is an integer number (5859540).

Almost surely, 2^47744290 is an apocalyptic number.

47744290 is a deficient number, since it is larger than the sum of its proper divisors (46008350).

47744290 is a wasteful number, since it uses less digits than its factorization.

47744290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434057.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 47744290 is about 6909.7243070907. The cubic root of 47744290 is about 362.7776137377. Note that the first 3 decimals are identical.

The spelling of 47744290 in words is "forty-seven million, seven hundred forty-four thousand, two hundred ninety".