47440078 has 16 divisors (see below), whose sum is σ = 81949824. Its totient is φ = 20175480.

The previous prime is 47440073. The next prime is 47440091. The reversal of 47440078 is 87004474.

It is a super-2 number, since 2×47440078² = 4501122001292168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47440073) 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, 11100 + ... + 14767.

It is an arithmetic number, because the mean of its divisors is an integer number (5121864).

Almost surely, 2^47440078 is an apocalyptic number.

47440078 is a deficient number, since it is larger than the sum of its proper divisors (34509746).

47440078 is a wasteful number, since it uses less digits than its factorization.

47440078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26007.

The product of its (nonzero) digits is 25088, while the sum is 34.

The square root of 47440078 is about 6887.6758053788. The cubic root of 47440078 is about 362.0054688184.

The spelling of 47440078 in words is "forty-seven million, four hundred forty thousand, seventy-eight".