90069462 has 64 divisors (see below), whose sum is σ = 240806400. Its totient is φ = 24377760.

The previous prime is 90069461. The next prime is 90069479. The reversal of 90069462 is 26496009.

It is a super-2 number, since 2×90069462² = 16225015969938888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90069461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 912 + ... + 13452.

It is an arithmetic number, because the mean of its divisors is an integer number (3762600).

Almost surely, 2^90069462 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90069462, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120403200).

90069462 is an abundant number, since it is smaller than the sum of its proper divisors (150736938).

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

90069462 is a wasteful number, since it uses less digits than its factorization.

90069462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12578 (or 12572 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 90069462 is about 9490.4932432408. The cubic root of 90069462 is about 448.2557366139.

The spelling of 90069462 in words is "ninety million, sixty-nine thousand, four hundred sixty-two".