70463736 has 128 divisors (see below), whose sum is σ = 231552000. Its totient is φ = 19426176.

The previous prime is 70463693. The next prime is 70463777. The reversal of 70463736 is 63736407.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 70463736.

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, 43045 + ... + 44651.

It is an arithmetic number, because the mean of its divisors is an integer number (1809000).

Almost surely, 2^70463736 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 70463736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115776000).

70463736 is an abundant number, since it is smaller than the sum of its proper divisors (161088264).

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

70463736 is a wasteful number, since it uses less digits than its factorization.

70463736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658 (or 1648 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 36.

The square root of 70463736 is about 8394.2680443264. The cubic root of 70463736 is about 413.0366173194.

The spelling of 70463736 in words is "seventy million, four hundred sixty-three thousand, seven hundred thirty-six".