71073678 has 16 divisors (see below), whose sum is σ = 153081936. Its totient is φ = 21868800.

The previous prime is 71073671. The next prime is 71073727. The reversal of 71073678 is 87637017.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71073671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455523 + ... + 455678.

It is an arithmetic number, because the mean of its divisors is an integer number (9567621).

Almost surely, 2^71073678 is an apocalyptic number.

71073678 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

71073678 is an abundant number, since it is smaller than the sum of its proper divisors (82008258).

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

71073678 is a wasteful number, since it uses less digits than its factorization.

71073678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911219.

The product of its (nonzero) digits is 49392, while the sum is 39.

The square root of 71073678 is about 8430.5206244929. The cubic root of 71073678 is about 414.2249588387.

The spelling of 71073678 in words is "seventy-one million, seventy-three thousand, six hundred seventy-eight".