71649004 has 24 divisors (see below), whose sum is σ = 146004768. Its totient is φ = 30126720.

The previous prime is 71648987. The next prime is 71649013. The reversal of 71649004 is 40094617.

It is a super-3 number, since 3×71649004³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22657 + ... + 25624.

It is an arithmetic number, because the mean of its divisors is an integer number (6083532).

Almost surely, 2^71649004 is an apocalyptic number.

It is an amenable number.

71649004 is an abundant number, since it is smaller than the sum of its proper divisors (74355764).

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

71649004 is a wasteful number, since it uses less digits than its factorization.

71649004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48345 (or 48343 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 71649004 is about 8464.5734682853. The cubic root of 71649004 is about 415.3396435678.

The spelling of 71649004 in words is "seventy-one million, six hundred forty-nine thousand, four".