80737040 has 40 divisors (see below), whose sum is σ = 188642688. Its totient is φ = 32135040.

The previous prime is 80737001. The next prime is 80737057. The reversal of 80737040 is 4073708.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 80736994 and 80737012.

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, 14489 + ... + 19271.

Almost surely, 2^80737040 is an apocalyptic number.

80737040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80737040 is an abundant number, since it is smaller than the sum of its proper divisors (107905648).

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

80737040 is a wasteful number, since it uses less digits than its factorization.

80737040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5007 (or 5001 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 80737040 is about 8985.3792351798. The cubic root of 80737040 is about 432.2061487532.

The spelling of 80737040 in words is "eighty million, seven hundred thirty-seven thousand, forty".