70551128 has 8 divisors (see below), whose sum is σ = 132283380. Its totient is φ = 35275560.

The previous prime is 70551121. The next prime is 70551137. The reversal of 70551128 is 82115507.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 70551128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70551121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4409438 + ... + 4409453.

Almost surely, 2^70551128 is an apocalyptic number.

It is an amenable number.

70551128 is a deficient number, since it is larger than the sum of its proper divisors (61732252).

70551128 is a wasteful number, since it uses less digits than its factorization.

70551128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8818897 (or 8818893 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 70551128 is about 8399.4718881606. The cubic root of 70551128 is about 413.2073017299.

The spelling of 70551128 in words is "seventy million, five hundred fifty-one thousand, one hundred twenty-eight".