70381552 has 20 divisors (see below), whose sum is σ = 136692640. Its totient is φ = 35106048.

The previous prime is 70381537. The next prime is 70381603. The reversal of 70381552 is 25518307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1849 + ... + 12007.

It is an arithmetic number, because the mean of its divisors is an integer number (6834632).

Almost surely, 2^70381552 is an apocalyptic number.

It is an amenable number.

70381552 is a deficient number, since it is larger than the sum of its proper divisors (66311088).

70381552 is a wasteful number, since it uses less digits than its factorization.

70381552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10600 (or 10594 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 70381552 is about 8389.3713709670. The cubic root of 70381552 is about 412.8759757901.

Adding to 70381552 its reverse (25518307), we get a palindrome (95899859).

The spelling of 70381552 in words is "seventy million, three hundred eighty-one thousand, five hundred fifty-two".