78241302 has 20 divisors (see below), whose sum is σ = 175318836. Its totient is φ = 26080380.

The previous prime is 78241283. The next prime is 78241307. The reversal of 78241302 is 20314287.

It is a super-2 number, since 2×78241302² = 12243402677310408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78241307) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 241324 + ... + 241647.

Almost surely, 2^78241302 is an apocalyptic number.

78241302 is an abundant number, since it is smaller than the sum of its proper divisors (97077534).

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

78241302 is a wasteful number, since it uses less digits than its factorization.

78241302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482985 (or 482976 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 78241302 is about 8845.4113527863. The cubic root of 78241302 is about 427.7060133557.

Adding to 78241302 its reverse (20314287), we get a palindrome (98555589).

The spelling of 78241302 in words is "seventy-eight million, two hundred forty-one thousand, three hundred two".