71602428 has 24 divisors (see below), whose sum is σ = 167870080. Its totient is φ = 23753520.

The previous prime is 71602423. The next prime is 71602429. The reversal of 71602428 is 82420617.

It is a junction number, because it is equal to n+sod(n) for n = 71602395 and 71602404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71602423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11608 + ... + 16671.

Almost surely, 2^71602428 is an apocalyptic number.

It is an amenable number.

71602428 is an abundant number, since it is smaller than the sum of its proper divisors (96267652).

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

71602428 is a wasteful number, since it uses less digits than its factorization.

71602428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28497 (or 28495 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 71602428 is about 8461.8217896621. The cubic root of 71602428 is about 415.2496257894.

The spelling of 71602428 in words is "seventy-one million, six hundred two thousand, four hundred twenty-eight".