47403345 has 32 divisors (see below), whose sum is σ = 86344704. Its totient is φ = 21982400.

The previous prime is 47403341. The next prime is 47403379. The reversal of 47403345 is 54330474.

It is not a de Polignac number, because 47403345 - 2² = 47403341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47403341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2451 + ... + 10040.

It is an arithmetic number, because the mean of its divisors is an integer number (2698272).

Almost surely, 2^47403345 is an apocalyptic number.

It is an amenable number.

47403345 is a deficient number, since it is larger than the sum of its proper divisors (38941359).

47403345 is a wasteful number, since it uses less digits than its factorization.

47403345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12533.

The product of its (nonzero) digits is 20160, while the sum is 30.

The square root of 47403345 is about 6885.0087145914. The cubic root of 47403345 is about 361.9120107057.

The spelling of 47403345 in words is "forty-seven million, four hundred three thousand, three hundred forty-five".