71374030 has 64 divisors (see below), whose sum is σ = 162062208. Its totient is φ = 22026240.

The previous prime is 71374019. The next prime is 71374057. The reversal of 71374030 is 3047317.

71374030 = T₃₁₇ + T₃₁₈ + ... + T₇₇₁.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 71373986 and 71374004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36354 + ... + 38266.

It is an arithmetic number, because the mean of its divisors is an integer number (2532222).

Almost surely, 2^71374030 is an apocalyptic number.

71374030 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

71374030 is an abundant number, since it is smaller than the sum of its proper divisors (90688178).

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

71374030 is a wasteful number, since it uses less digits than its factorization.

71374030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 71374030 is about 8448.3152166571. The cubic root of 71374030 is about 414.8076333013.

The spelling of 71374030 in words is "seventy-one million, three hundred seventy-four thousand, thirty".