70930650 has 96 divisors (see below), whose sum is σ = 205843968. Its totient is φ = 15825600.

The previous prime is 70930637. The next prime is 70930663. The reversal of 70930650 is 5603907.

It is an interprime number because it is at equal distance from previous prime (70930637) and next prime (70930663).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44365 + ... + 45935.

It is an arithmetic number, because the mean of its divisors is an integer number (2144208).

Almost surely, 2^70930650 is an apocalyptic number.

70930650 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 70930650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102921984).

70930650 is an abundant number, since it is smaller than the sum of its proper divisors (134913318).

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

70930650 is a wasteful number, since it uses less digits than its factorization.

70930650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636 (or 1631 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 70930650 is about 8422.0336024027. The cubic root of 70930650 is about 413.9469114404.

The spelling of 70930650 in words is "seventy million, nine hundred thirty thousand, six hundred fifty".