702254421 has 32 divisors (see below), whose sum is σ = 1194700800. Its totient is φ = 403205040.

The previous prime is 702254389. The next prime is 702254431. The reversal of 702254421 is 124452207.

It is not a de Polignac number, because 702254421 - 2⁵ = 702254389 is a prime.

It is a super-2 number, since 2×702254421² = 986322543628090482, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (702254431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56581 + ... + 67866.

It is an arithmetic number, because the mean of its divisors is an integer number (37334400).

Almost surely, 2^702254421 is an apocalyptic number.

It is an amenable number.

702254421 is a deficient number, since it is larger than the sum of its proper divisors (492446379).

702254421 is a wasteful number, since it uses less digits than its factorization.

702254421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124486 (or 124480 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 702254421 is about 26500.0834149631. The cubic root of 702254421 is about 888.8561752480.

The spelling of 702254421 in words is "seven hundred two million, two hundred fifty-four thousand, four hundred twenty-one".