70740378 has 40 divisors (see below), whose sum is σ = 159174048. Its totient is φ = 23481576.

The previous prime is 70740377. The next prime is 70740379. The reversal of 70740378 is 87304707.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (70740377) and next prime (70740379).

It is not an unprimeable number, because it can be changed into a prime (70740377) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 45075 + ... + 46617.

Almost surely, 2^70740378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70740378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79587024).

70740378 is an abundant number, since it is smaller than the sum of its proper divisors (88433670).

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

70740378 is a wasteful number, since it uses less digits than its factorization.

70740378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840 (or 1831 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 70740378 is about 8410.7299326515. The cubic root of 70740378 is about 413.5764414161.

The spelling of 70740378 in words is "seventy million, seven hundred forty thousand, three hundred seventy-eight".