90622070 has 192 divisors, whose sum is σ = 234026496. Its totient is φ = 24837120.

The previous prime is 90622069. The next prime is 90622079. The reversal of 90622070 is 7022609.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90622079) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2107469 + ... + 2107511.

It is an arithmetic number, because the mean of its divisors is an integer number (1218888).

Almost surely, 2^90622070 is an apocalyptic number.

90622070 is an abundant number, since it is smaller than the sum of its proper divisors (143404426).

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

90622070 is a wasteful number, since it uses less digits than its factorization.

90622070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 90622070 is about 9519.5624899467. The cubic root of 90622070 is about 449.1706039647.

Adding to 90622070 its reverse (7022609), we get a palindrome (97644679).

The spelling of 90622070 in words is "ninety million, six hundred twenty-two thousand, seventy".