71741628 has 36 divisors (see below), whose sum is σ = 207254320. Its totient is φ = 20497536.

The previous prime is 71741627. The next prime is 71741629. The reversal of 71741628 is 82614717.

It is an interprime number because it is at equal distance from previous prime (71741627) and next prime (71741629).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×71741628² = 10293722376180768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 71741592 and 71741601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71741627) 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, 142093 + ... + 142596.

Almost surely, 2^71741628 is an apocalyptic number.

It is an amenable number.

71741628 is an abundant number, since it is smaller than the sum of its proper divisors (135512692).

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

71741628 is a wasteful number, since it uses less digits than its factorization.

71741628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284706 (or 284701 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 71741628 is about 8470.0429750976. The cubic root of 71741628 is about 415.5185427914.

The spelling of 71741628 in words is "seventy-one million, seven hundred forty-one thousand, six hundred twenty-eight".