71420622 has 32 divisors (see below), whose sum is σ = 175805952. Its totient is φ = 18836064.

The previous prime is 71420597. The next prime is 71420623. The reversal of 71420622 is 22602417.

It is a junction number, because it is equal to n+sod(n) for n = 71420592 and 71420601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71420623) 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, 64858 + ... + 65949.

It is an arithmetic number, because the mean of its divisors is an integer number (5493936).

Almost surely, 2^71420622 is an apocalyptic number.

71420622 is an abundant number, since it is smaller than the sum of its proper divisors (104385330).

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

71420622 is a wasteful number, since it uses less digits than its factorization.

71420622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130832.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 71420622 is about 8451.0722396628. The cubic root of 71420622 is about 414.8978739363.

The spelling of 71420622 in words is "seventy-one million, four hundred twenty thousand, six hundred twenty-two".