78062070 has 32 divisors (see below), whose sum is σ = 197210880. Its totient is φ = 19720800.

The previous prime is 78062059. The next prime is 78062077. The reversal of 78062070 is 7026087.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78062077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67906 + ... + 69045.

It is an arithmetic number, because the mean of its divisors is an integer number (6162840).

Almost surely, 2^78062070 is an apocalyptic number.

78062070 is an abundant number, since it is smaller than the sum of its proper divisors (119148810).

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

78062070 is a wasteful number, since it uses less digits than its factorization.

78062070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136980.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 78062070 is about 8835.2741892937. The cubic root of 78062070 is about 427.3791731307.

The spelling of 78062070 in words is "seventy-eight million, sixty-two thousand, seventy".