70428452 has 6 divisors (see below), whose sum is σ = 123249798. Its totient is φ = 35214224.

The previous prime is 70428439. The next prime is 70428469. The reversal of 70428452 is 25482407.

It can be written as a sum of positive squares in only one way, i.e., 42823936 + 27604516 = 6544^2 + 5254^2 .

It is a super-2 number, since 2×70428452² = 9920333702232608, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8803553 + ... + 8803560.

It is an arithmetic number, because the mean of its divisors is an integer number (20541633).

Almost surely, 2^70428452 is an apocalyptic number.

It is an amenable number.

70428452 is a deficient number, since it is larger than the sum of its proper divisors (52821346).

70428452 is a wasteful number, since it uses less digits than its factorization.

70428452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17607117 (or 17607115 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 70428452 is about 8392.1661089375. The cubic root of 70428452 is about 412.9676645122.

The spelling of 70428452 in words is "seventy million, four hundred twenty-eight thousand, four hundred fifty-two".