78362061 has 48 divisors (see below), whose sum is σ = 120245760. Its totient is φ = 45239040.

The previous prime is 78362059. The next prime is 78362071. The reversal of 78362061 is 16026387.

It is not a de Polignac number, because 78362061 - 2¹ = 78362059 is a prime.

It is a super-2 number, since 2×78362061² = 12281225208335442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78362051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1103656 + ... + 1103726.

It is an arithmetic number, because the mean of its divisors is an integer number (2505120).

Almost surely, 2^78362061 is an apocalyptic number.

78362061 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

78362061 is a deficient number, since it is larger than the sum of its proper divisors (41883699).

78362061 is a wasteful number, since it uses less digits than its factorization.

78362061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 78362061 is about 8852.2348025795. The cubic root of 78362061 is about 427.9259432382.

The spelling of 78362061 in words is "seventy-eight million, three hundred sixty-two thousand, sixty-one".