70863456 has 48 divisors (see below), whose sum is σ = 189081648. Its totient is φ = 23232000.

The previous prime is 70863439. The next prime is 70863469. The reversal of 70863456 is 65436807.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195 + ... + 11906.

It is an arithmetic number, because the mean of its divisors is an integer number (3939201).

Almost surely, 2^70863456 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 70863456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94540824).

70863456 is an abundant number, since it is smaller than the sum of its proper divisors (118218192).

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

70863456 is a wasteful number, since it uses less digits than its factorization.

70863456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12175 (or 12167 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 70863456 is about 8418.0434781486. The cubic root of 70863456 is about 413.8161567923.

The spelling of 70863456 in words is "seventy million, eight hundred sixty-three thousand, four hundred fifty-six".