70406498 has 4 divisors (see below), whose sum is σ = 105609750. Its totient is φ = 35203248.

The previous prime is 70406491. The next prime is 70406509. The reversal of 70406498 is 89460407.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 44528929 + 25877569 = 6673^2 + 5087^2 .

It is not an unprimeable number, because it can be changed into a prime (70406491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17601623 + ... + 17601626.

Almost surely, 2^70406498 is an apocalyptic number.

70406498 is a deficient number, since it is larger than the sum of its proper divisors (35203252).

70406498 is a wasteful number, since it uses less digits than its factorization.

70406498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35203251.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 70406498 is about 8390.8580014204. The cubic root of 70406498 is about 412.9247498754.

The spelling of 70406498 in words is "seventy million, four hundred six thousand, four hundred ninety-eight".