47404380 has 48 divisors (see below), whose sum is σ = 138507264. Its totient is φ = 12091200.

The previous prime is 47404367. The next prime is 47404393. The reversal of 47404380 is 8340474.

It is an interprime number because it is at equal distance from previous prime (47404367) and next prime (47404393).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15796 + ... + 18555.

It is an arithmetic number, because the mean of its divisors is an integer number (2885568).

Almost surely, 2^47404380 is an apocalyptic number.

It is an amenable number.

47404380 is an abundant number, since it is smaller than the sum of its proper divisors (91102884).

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

47404380 is a wasteful number, since it uses less digits than its factorization.

47404380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34386 (or 34384 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 47404380 is about 6885.0838774847. The cubic root of 47404380 is about 361.9146446703.

The spelling of 47404380 in words is "forty-seven million, four hundred four thousand, three hundred eighty".