70380256 has 24 divisors (see below), whose sum is σ = 145855080. Its totient is φ = 33337728.

The previous prime is 70380227. The next prime is 70380257. The reversal of 70380256 is 65208307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70380257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57271 + ... + 58486.

It is an arithmetic number, because the mean of its divisors is an integer number (6077295).

Almost surely, 2^70380256 is an apocalyptic number.

70380256 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

70380256 is an abundant number, since it is smaller than the sum of its proper divisors (75474824).

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

70380256 is a wasteful number, since it uses less digits than its factorization.

70380256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115786 (or 115778 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 70380256 is about 8389.2941300207. The cubic root of 70380256 is about 412.8734415533.

The spelling of 70380256 in words is "seventy million, three hundred eighty thousand, two hundred fifty-six".