70863750 has 60 divisors (see below), whose sum is σ = 191891700. Its totient is φ = 18894000.

The previous prime is 70863743. The next prime is 70863757. The reversal of 70863750 is 5736807.

It is an interprime number because it is at equal distance from previous prime (70863743) and next prime (70863757).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70863757) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 8101 + ... + 14399.

It is an arithmetic number, because the mean of its divisors is an integer number (3198195).

Almost surely, 2^70863750 is an apocalyptic number.

70863750 is the 4500-th nonagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70863750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95945850).

70863750 is an abundant number, since it is smaller than the sum of its proper divisors (121027950).

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

70863750 is a wasteful number, since it uses less digits than its factorization.

70863750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6327 (or 6309 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 70863750 is about 8418.0609406205. The cubic root of 70863750 is about 413.8167290749.

The spelling of 70863750 in words is "seventy million, eight hundred sixty-three thousand, seven hundred fifty".