70819948 has 12 divisors (see below), whose sum is σ = 124418952. Its totient is φ = 35271680.

The previous prime is 70819937. The next prime is 70819949. The reversal of 70819948 is 84991807.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 70819898 and 70819907.

It is not an unprimeable number, because it can be changed into a prime (70819949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33418 + ... + 35473.

It is an arithmetic number, because the mean of its divisors is an integer number (10368246).

Almost surely, 2^70819948 is an apocalyptic number.

It is an amenable number.

70819948 is a deficient number, since it is larger than the sum of its proper divisors (53599004).

70819948 is a wasteful number, since it uses less digits than its factorization.

70819948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69152 (or 69150 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 70819948 is about 8415.4588704360. The cubic root of 70819948 is about 413.7314492889.

The spelling of 70819948 in words is "seventy million, eight hundred nineteen thousand, nine hundred forty-eight".