47398078 has 64 divisors (see below), whose sum is σ = 93219840. Its totient is φ = 17667936.

The previous prime is 47398049. The next prime is 47398121. The reversal of 47398078 is 87089374.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 707401 + ... + 707467.

It is an arithmetic number, because the mean of its divisors is an integer number (1456560).

Almost surely, 2^47398078 is an apocalyptic number.

47398078 is a deficient number, since it is larger than the sum of its proper divisors (45821762).

47398078 is a wasteful number, since it uses less digits than its factorization.

47398078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 47398078 is about 6884.6262062657. The cubic root of 47398078 is about 361.8986061582.

The spelling of 47398078 in words is "forty-seven million, three hundred ninety-eight thousand, seventy-eight".