70549380 has 240 divisors, whose sum is σ = 250278336. Its totient is φ = 16485120.

The previous prime is 70549379. The next prime is 70549393. The reversal of 70549380 is 8394507.

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

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 79 ways as a sum of consecutive naturals, for example, 659287 + ... + 659393.

Almost surely, 2^70549380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70549380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125139168).

70549380 is an abundant number, since it is smaller than the sum of its proper divisors (179728956).

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

70549380 is a wasteful number, since it uses less digits than its factorization.

70549380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 70549380 is about 8399.3678333551. The cubic root of 70549380 is about 413.2038891110.

The spelling of 70549380 in words is "seventy million, five hundred forty-nine thousand, three hundred eighty".