78150032 has 10 divisors (see below), whose sum is σ = 151415718. Its totient is φ = 39075008.

The previous prime is 78150029. The next prime is 78150091. The reversal of 78150032 is 23005187.

It can be written as a sum of positive squares in only one way, i.e., 42198016 + 35952016 = 6496^2 + 5996^2 .

It is a super-2 number, since 2×78150032² = 12214855003202048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78149983 and 78150010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2442173 + ... + 2442204.

Almost surely, 2^78150032 is an apocalyptic number.

It is an amenable number.

78150032 is a deficient number, since it is larger than the sum of its proper divisors (73265686).

78150032 is a wasteful number, since it uses less digits than its factorization.

78150032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4884385 (or 4884379 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 78150032 is about 8840.2506751788. The cubic root of 78150032 is about 427.5396395194.

The spelling of 78150032 in words is "seventy-eight million, one hundred fifty thousand, thirty-two".