70552650 has 144 divisors (see below), whose sum is σ = 211191840. Its totient is φ = 15523200.

The previous prime is 70552639. The next prime is 70552663. The reversal of 70552650 is 5625507.

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 71 ways as a sum of consecutive naturals, for example, 212985 + ... + 213315.

It is an arithmetic number, because the mean of its divisors is an integer number (1466610).

Almost surely, 2^70552650 is an apocalyptic number.

70552650 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 70552650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105595920).

70552650 is an abundant number, since it is smaller than the sum of its proper divisors (140639190).

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

70552650 is a wasteful number, since it uses less digits than its factorization.

70552650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 70552650 is about 8399.5624886062. The cubic root of 70552650 is about 413.2102730832.

The spelling of 70552650 in words is "seventy million, five hundred fifty-two thousand, six hundred fifty".