78470462 has 24 divisors (see below), whose sum is σ = 141649560. Its totient is φ = 32469360.

The previous prime is 78470429. The next prime is 78470473. The reversal of 78470462 is 26407487.

It is a super-2 number, since 2×78470462² = 12315226812986888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10964 + ... + 16647.

It is an arithmetic number, because the mean of its divisors is an integer number (5902065).

Almost surely, 2^78470462 is an apocalyptic number.

78470462 is a deficient number, since it is larger than the sum of its proper divisors (63179098).

78470462 is a wasteful number, since it uses less digits than its factorization.

78470462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27656 (or 27649 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 78470462 is about 8858.3554907217. The cubic root of 78470462 is about 428.1231739990.

The spelling of 78470462 in words is "seventy-eight million, four hundred seventy thousand, four hundred sixty-two".