71274040 has 16 divisors (see below), whose sum is σ = 160366680. Its totient is φ = 28509600.

The previous prime is 71274023. The next prime is 71274101. The reversal of 71274040 is 4047217.

It is a junction number, because it is equal to n+sod(n) for n = 71273996 and 71274014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 890886 + ... + 890965.

Almost surely, 2^71274040 is an apocalyptic number.

It is an amenable number.

71274040 is an abundant number, since it is smaller than the sum of its proper divisors (89092640).

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

71274040 is a wasteful number, since it uses less digits than its factorization.

71274040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781862 (or 1781858 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 71274040 is about 8442.3953946732. The cubic root of 71274040 is about 414.6138373275.

The spelling of 71274040 in words is "seventy-one million, two hundred seventy-four thousand, forty".