88070421 has 16 divisors (see below), whose sum is σ = 126446400. Its totient is φ = 54321408.

The previous prime is 88070417. The next prime is 88070431. The reversal of 88070421 is 12407088.

It is not a de Polignac number, because 88070421 - 2² = 88070417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88070431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11626 + ... + 17643.

It is an arithmetic number, because the mean of its divisors is an integer number (7902900).

Almost surely, 2^88070421 is an apocalyptic number.

It is an amenable number.

88070421 is a deficient number, since it is larger than the sum of its proper divisors (38375979).

88070421 is a wasteful number, since it uses less digits than its factorization.

88070421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29348.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 88070421 is about 9384.5842209445. The cubic root of 88070421 is about 444.9146341321.

The spelling of 88070421 in words is "eighty-eight million, seventy thousand, four hundred twenty-one".