71428962 has 24 divisors (see below), whose sum is σ = 157027248. Its totient is φ = 21644920.

The previous prime is 71428949. The next prime is 71428963. The reversal of 71428962 is 26982417.

It is a super-2 number, since 2×71428962² = 10204193224794888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71428962.

It is not an unprimeable number, because it can be changed into a prime (71428963) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48468 + ... + 49919.

It is an arithmetic number, because the mean of its divisors is an integer number (6542802).

Almost surely, 2^71428962 is an apocalyptic number.

71428962 is an abundant number, since it is smaller than the sum of its proper divisors (85598286).

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

71428962 is a wasteful number, since it uses less digits than its factorization.

71428962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98414 (or 98403 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 71428962 is about 8451.5656537709. The cubic root of 71428962 is about 414.9140229303.

It can be divided in two parts, 71428 and 962, that added together give a triangular number (72390 = T₃₈₀).

The spelling of 71428962 in words is "seventy-one million, four hundred twenty-eight thousand, nine hundred sixty-two".