70819560 has 192 divisors, whose sum is σ = 266198400. Its totient is φ = 15994368.

The previous prime is 70819559. The next prime is 70819579. The reversal of 70819560 is 6591807.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 47 ways as a sum of consecutive naturals, for example, 395551 + ... + 395729.

It is an arithmetic number, because the mean of its divisors is an integer number (1386450).

Almost surely, 2^70819560 is an apocalyptic number.

70819560 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 70819560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133099200).

70819560 is an abundant number, since it is smaller than the sum of its proper divisors (195378840).

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

70819560 is a wasteful number, since it uses less digits than its factorization.

70819560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 70819560 is about 8415.4358175914. The cubic root of 70819560 is about 413.7306937198.

It can be divided in two parts, 7081 and 9560, that added together give a square (16641 = 129²).

The spelling of 70819560 in words is "seventy million, eight hundred nineteen thousand, five hundred sixty".