70555380 has 96 divisors (see below), whose sum is σ = 233103360. Its totient is φ = 15603840.

The previous prime is 70555369. The next prime is 70555391. The reversal of 70555380 is 8355507.

It is an interprime number because it is at equal distance from previous prime (70555369) and next prime (70555391).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10311 + ... + 15729.

It is an arithmetic number, because the mean of its divisors is an integer number (2428160).

Almost surely, 2^70555380 is an apocalyptic number.

70555380 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70555380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116551680).

70555380 is an abundant number, since it is smaller than the sum of its proper divisors (162547980).

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

70555380 is a wasteful number, since it uses less digits than its factorization.

70555380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5469 (or 5467 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 70555380 is about 8399.7249954984. The cubic root of 70555380 is about 413.2156026704.

The spelling of 70555380 in words is "seventy million, five hundred fifty-five thousand, three hundred eighty".