47745400 has 24 divisors (see below), whose sum is σ = 111008520. Its totient is φ = 19098080.

The previous prime is 47745391. The next prime is 47745407. The reversal of 47745400 is 454774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47745407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119164 + ... + 119563.

It is an arithmetic number, because the mean of its divisors is an integer number (4625355).

Almost surely, 2^47745400 is an apocalyptic number.

47745400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47745400 is an abundant number, since it is smaller than the sum of its proper divisors (63263120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47745400 is a wasteful number, since it uses less digits than its factorization.

47745400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238743 (or 238734 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 47745400 is about 6909.8046282077. The cubic root of 47745400 is about 362.7804251037.

The spelling of 47745400 in words is "forty-seven million, seven hundred forty-five thousand, four hundred".