71632938 has 16 divisors (see below), whose sum is σ = 154286496. Its totient is φ = 22040880.

The previous prime is 71632931. The next prime is 71632949. The reversal of 71632938 is 83923617.

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

It is a junction number, because it is equal to n+sod(n) for n = 71632896 and 71632905.

It is not an unprimeable number, because it can be changed into a prime (71632931) 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, 459108 + ... + 459263.

It is an arithmetic number, because the mean of its divisors is an integer number (9642906).

Almost surely, 2^71632938 is an apocalyptic number.

71632938 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

71632938 is an abundant number, since it is smaller than the sum of its proper divisors (82653558).

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

71632938 is a wasteful number, since it uses less digits than its factorization.

71632938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918389.

The product of its digits is 54432, while the sum is 39.

The square root of 71632938 is about 8463.6244009290. The cubic root of 71632938 is about 415.3085970998.

It can be divided in two parts, 7163 and 2938, that added together give a palindrome (10101).

The spelling of 71632938 in words is "seventy-one million, six hundred thirty-two thousand, nine hundred thirty-eight".