70256472 has 96 divisors (see below), whose sum is σ = 208022640. Its totient is φ = 19641600.

The previous prime is 70256449. The next prime is 70256491. The reversal of 70256472 is 27465207.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36822 + ... + 38682.

Almost surely, 2^70256472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70256472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104011320).

70256472 is an abundant number, since it is smaller than the sum of its proper divisors (137766168).

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

70256472 is a wasteful number, since it uses less digits than its factorization.

70256472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905 (or 1890 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 70256472 is about 8381.9133853793. The cubic root of 70256472 is about 412.6312471249.

The spelling of 70256472 in words is "seventy million, two hundred fifty-six thousand, four hundred seventy-two".