78302348 has 6 divisors (see below), whose sum is σ = 137029116. Its totient is φ = 39151172.

The previous prime is 78302347. The next prime is 78302369. The reversal of 78302348 is 84320387.

It is a super-2 number, since 2×78302348² = 12262515404626208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78302347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9787790 + ... + 9787797.

It is an arithmetic number, because the mean of its divisors is an integer number (22838186).

Almost surely, 2^78302348 is an apocalyptic number.

It is an amenable number.

78302348 is a deficient number, since it is larger than the sum of its proper divisors (58726768).

78302348 is a wasteful number, since it uses less digits than its factorization.

78302348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19575591 (or 19575589 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 78302348 is about 8848.8613956825. The cubic root of 78302348 is about 427.8172204082.

The spelling of 78302348 in words is "seventy-eight million, three hundred two thousand, three hundred forty-eight".